---
id: CVE-2025-68302
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: sxgbe: fix potential NULL dereference in sxgbe_rx()

  Currently, when skb is null, the driver prints an error and then
  dereferences skb on the next line.

  To fix th…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: sxgbe: fix potential NULL dereference in sxgbe_rx()

  Currently, when skb is null, the driver prints an error and then
  dereferences skb on the next line.

  To fix th…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
published: '2025-12-16'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T19:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-68302'
references:
  - url: 'https://git.kernel.org/stable/c/18ef3ad1bb57dcf1a9ee61736039aedccf670b21'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/45b5b4ddb8d6bea5fc1625ff6f163bbb125d49cc'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/46e5332126596a2ca791140feab18ce1fc1a3c86'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/7fd789d6ea4915034eb6bcb72f6883c8151083e5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/88f46c0be77bfe45830ac33102c75be7c34ac3f3'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ac171c3c755499c9f87fe30b920602255f8b5648'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/f5bce28f6b9125502abec4a67d68eabcd24b3b17'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00455
epssPercentile: 0.37747
ingestedAt: '2026-10-13T19:43:28.851Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

net: sxgbe: fix potential NULL dereference in sxgbe_rx()

Currently, when skb is null, the driver prints an error and then
dereferences skb on the next line.

To fix this, let's add a 'break' after the error message to switch
to sxgbe_rx_refill(), which is similar to the approach taken by the
other drivers in this particular case, e.g. calxeda with xgmac_rx().

Found during a code review.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.